[While astronomers expected the early history of the Milky Way was quite chaotic, most had believed] that it since had been rather calm, … But this turns out not to be true. Stars have been perturbed all the time throughout the Milky Way history.

Technology has advanced more in the last thirty years than in the previous two thousand. The exponential increase in advancement will only continue. Anthropological Commentary The opposite of a trivial truth is false; the opposite of a great truth is also true.

One of the favorite maxims of my father was the distinction between the two sorts of truths, profound truths recognized by the fact that the opposite is also a profound truth, in contrast to trivialities where opposites are obviously absurd